Home / 2,790.26-4,191.91-2,632.63

Finding the Fourth Proportional to 2,790.26, 4,191.91 and 2,632.63

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Solution

The fourth proportional to 2,790.26, 4,191.91 and 2,632.63 is: 3,955.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.26 : 4,191.91 = 2,632.63 : x
  2. Step 2: Convert to fraction form
    2,790.26/4,191.91 = 2,632.63/x
  3. Step 3: Cross multiply
    2,790.26x = 4,191.91 × 2,632.63
  4. Step 4: Simplify right side
    2,790.26x = 11,035,734.86
  5. Step 5: Solve for x
    x = 11,035,734.86/2,790.26
  6. Step 6: Final answer
    x = 3,955.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.